JPH0351920A - Resources waiting control system - Google Patents

Abstract

PURPOSE:To improve the operating performance of a resources waiting control system by defining the resources assignment priority among job classes when a system environment is set and producing a resources queue for each job class. CONSTITUTION:A resources assignment order setting means 1 sets the resources assignment priority among job classes (job executing classes) when a system environment is set. Thus a resources assignment order table 11 is obtained. Then a resources queue production means 2 produces the resources queues 12 for each job class at the start of a system. When a job securing the resources is through, a resources assignment job class deciding means 4 decides the next job class to which the resources are assigned by reference to the table 11. A resource queue take-out means 5 takes a job out of the resources queue corresponding to the decided job class. Thus an emergency job, etc., can immediately secure the resources.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention is used in a multiple programming system and relates to a method for controlling the waiting of resources to be allocated to each job.

[Conventional technology]

Conventionally, in computer systems, when controlling the allocation/release/waiting of resources shared by each job, the queue for controlling the waiting of resources used by each job is stored in the job class (job execution class). It is one regardless.

Blank space below [Problem to be solved by the invention] As mentioned above, in conventional computer systems, there is only one waiting queue, so when an executing job ends and resources are released, there is no priority given to jobs waiting for resources. ，
Resources are allocated according to the order in which jobs enter the waiting state, and there is a problem in that emergency jobs, etc. cannot immediately secure resources and cannot be executed while remaining in the waiting state.

An object of the present invention is to provide a resource queuing control system that can immediately secure resources for emergencies.

[Means for solving problems]

The resource waiting control method of the present invention, when controlling the allocation/release/waiting of resources shared by jobs, allocates resources to job execution classes (hereinafter simply referred to as job classes) when setting the system environment. resource allocation order setting means for setting current priorities and creating a resource allocation order table; and resource waiting queue creation means for creating a queue for registering resource waiting jobs for each job class at system startup. , resource waiting queue registration means for registering the job in a queue of a corresponding job class among the queues created by the resource waiting queue creation means when the job is waiting for resources while the system is running; When finished and resources are released,
Resource allocation job class determining means for determining a job class to which resources are to be allocated based on the order table set by the resource allocation order setting means, and retrieving a job from a resource waiting queue corresponding to the job class determined by the determining means. The present invention is characterized by comprising a resource waiting queue retrieving means, and a resource allocation means for allocating the resources released to the job retrieved by the retrieval means.

〔Example〕

Next, the present invention will be explained using examples.

Referring to FIG. 1, a system 100 includes a resource allocation order setting means 1, a resource waiting queue creation step 2, a resource waiting queue registration means 5, a resource allocation job class determining means 4.
, resource waiting queue retrieval means 5, resource allocation 1,000 stages 6
, resource allocation order table 11 and resource waiting queue 1
2.

There are various resources such as files and memory used for job execution, and the resources are shared by multiple jobs, but the following operations are performed to control the waiting of these individual resources.

When setting up the system environment, the resource allocation order setting means 1 sets resource allocation priorities among each job class (job execution class), and creates a resource allocation order table 11.

When the system is started up, the resource waiting queue creation means 2 creates a resource waiting queue 12 for each job class.

While the system is running, when a job is waiting for resources when securing or releasing resources, the resource waiting queue registration means 6 registers the job in the queue corresponding to the execution class of the job in the resource waiting queue 12. .

When the job that has secured the resource ends, the resource allocation job class determining means 4 determines the next job class to which the resource should be allocated based on the resource allocation order table 11. The resource waiting queue retrieving means 5 retrieves a job from the resource waiting queue corresponding to the job class determined by the resource allocation job class determining means 4. At this time, if the resource waiting queue is empty, the job class with the next priority in the resource allocation order table 11 is selected. The resources released by the resource allocation means B are allocated to the job determined in this manner.

〔Effect of the invention〕

As explained above, in the present invention, when re-allocating resources to jobs waiting for resources, resource allocation priorities are established between job classes, this priority is defined when setting the system environment, and resource waiting is performed for each job class. The ability to create queues has the effect of improving system operability.

[Brief explanation of drawings]

FIG. 1 is a block diagram showing one embodiment of the present invention. 1... Resource allocation order setting means, 2... Resource waiting queue creation means, 3... Resource waiting queue registration means, 4
. . . resource allocation job class determining means, 5 . . . resource waiting queue retrieval means, 6 . . . resource allocation means, 11 .

Claims (1)

[Claims] 1. Allocate/release/allocate resources shared by jobs
When controlling waiting, there is a resource allocation order setting means that sets resource allocation priorities for job execution classes and creates a resource allocation order table when setting the system environment, and a resource waiting job for each job class at system startup. resource waiting queue creation means for creating a queue for registering a job; and resource waiting queue registration means for registering a job in a queue of a corresponding job class among the queues when a job is waiting for resources during system operation. , resource allocation job class determining means for determining an execution class to allocate the resource based on the order table when the resource is released; 1. A resource waiting control system comprising: a resource waiting queue extracting means for extracting a resource waiting queue; and a resource allocating means for allocating resources released to the job extracted by the extracting means.